Izvestiya of Saratov University.

Mathematics. Mechanics. Informatics

ISSN 1816-9791 (Print)

ISSN 2541-9005 (Online)

spectrum

Dirac System with Undifferentiable Potential and Antiperiodic Boundary Conditions

On spectrum of some classes of matrix operators

About reversibility states of linear differential operators with periodic unbounded operator coefficients

Spectral Analysis of a Class of Difference Operators with Growing Potential

Numerical Investigation of Spectrums of Three-Dimensional Turbulent Convection

Solution of Inverse Problem for the Diffusion Operator in a Symmetric Case

Generalization of Method A. A. Dorodnicyn Close Calculation of Eigenvalues and Eigenvectors of Symmetric Matrices on Case of Self-Conjugate Discrete Operators

The Il’in Spectral Method for Determination of the Properties of the Basis Property and the Uniform Convergence of Biorthogonal Expansions on a Finite Interval

Recovering singular differential pencils with a turning point